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You are looking at Winter 2027. Enrollment for it has not opened, so these are the registrar's early listings. dibs holds 1,951 sections for Winter 2027, read 47 hours ago. Separately, it has finished 986 of the 3,473 courses on its own sweep list for this term. Terms nobody is enrolling in are swept one a night in rotation, so a course with nothing here may simply not have been reached yet. Back to Fall 2026

MATH 170E

Introduction to Probability and Statistics 1: Probability

4 units

Lecture and discussion.

Winter 2027: 4 lectures and 16 discussions. Nothing here is open. The oldest of these readings was 47 hours ago.

Grades

3.23

Average grade awarded in MATH 170E. Not a rating: this is what the grades were.

In the A range

53%

of the 2,432 letter grades

D, F or W

5.0%

of every letter grade awarded, plus withdrawals

Taken pass/no pass

<1%

6 of 11 students passed

The registrar's own records: 2,432 grades over 15 terms, Fall 2021 to Fall 2025, summer excluded. Every instructor is pooled here. The table below splits them, and term averages across those 15 terms ran 2.80 to 3.80.

  • A+ 160 · 6.6%
  • A 798 · 32.8%
  • A- 326 · 13.4%
  • B+ 206 · 8.5%
  • B 308 · 12.7%
  • B- 150 · 6.2%
  • C+ 121 · 5.0%
  • C 143 · 5.9%
  • C- 99 · 4.1%
  • D+ 25 · 1.0%
  • D 35 · 1.4%
  • D- 12 · 0.5%
  • F 49 · 2.0%
  • P 6 of 2,466
  • NP 5 of 2,466
  • I 23 of 2,466

Percentages are of the 2,432 letter grades. Grey bars are non-letter outcomes: passes (P), no-passes (NP), and incompletes (I). They are excluded from the GPA entirely rather than scored, because counting a P as a 4.0 would be a fabrication.

By instructor

Predicted GPA, raw average, sample size, terms, A range and the workload reviewers reported for every instructor with a grade record in this course
Instructor Predicted GPA Raw n Terms A range Workload Winter 2027
JEONG, HALYUN reviews ↗ 3.63 3.65 336 2 77% - not teaching it
BAEUMLER, JOHANNES reviews ↗ 3.24 3.24 271 3 50% - not teaching it
FAROLFI, GIULIO reviews ↗ 3.58 3.60 264 3 78% - not teaching it
ROPER, MARCUS LEIGH reviews ↗ 2.92 2.89 223 1 34% - not teaching it
ZHANG, ZHAOYU reviews ↗ 3.21 3.20 209 3 48% - not teaching it
ARANT, TYLER JAMES reviews ↗ 2.98 2.95 179 3 40% - not teaching it
BUTSON, DYLAN reviews ↗ 3.18 3.18 131 1 39% - not teaching it
NEEDELL, DEANNA reviews ↗ 3.15 3.14 117 3 56% - not teaching it
NGUYEN, TUNG reviews ↗ 3.19 3.19 84 1 48% - not teaching it
YIN, JUN reviews ↗ 3.22 3.22 80 1 51% - not teaching it
GURDOGAN, HUBEYB USAME reviews ↗ 2.91 2.84 80 1 38% - not teaching it
GU, HAOTIAN reviews ↗ 3.02 2.98 78 1 41% - not teaching it
LOPEZ RIVERA, PABLO IGNACIO reviews ↗ 2.81 2.71 73 1 33% - not teaching it
PALMER, AARON ZEFF reviews ↗ 3.13 3.11 71 1 41% - not teaching it
CONLEY, WILLIAM JOSEPH reviews ↗ 3.08 3.02 43 1 35% - not teaching it
ENAKOUTSA, KOFFI reviews ↗ 3.46 3.55 42 1 67% - not teaching it
PALMER, AARON Z reviews ↗ 3.77 4.00 41 1 100% - not teaching it
ODHIAMBO, COLLINS OJWANG reviews ↗ 3.42 3.50 41 1 56% - not teaching it
FORLANO, JUSTIN AMEDEO reviews ↗ 2.69 2.43 36 1 17% - not teaching it
NGUYEN, HUNG DANG reviews ↗ 3.06 2.97 33 1 36% - not teaching it

“Predicted” is shrunk toward the course average, which is itself shrunk toward the department, so an instructor with a handful of students sits near the course mean rather than topping the list.

dibs measures outcomes: grades, seats, how fast a class fills. For what a class is like to sit in, BruinWalk has the reviews.

Reviews for MATH 170E

What comes first

dibs has not read a class page for MATH 170E, so it cannot say what comes before it.

Counted in courses rather than quarters: dibs does not know which of them a department lets you take together.

In Winters

Ran in 4 of the last 4 Winters.

From the terms dibs holds, which start in Fall 2021 and exclude summer. A department can run a course in a quarter it never has before.

From the registrar's catalog

dibs has not read the registrar's description for this course. It reads them for general education courses only, so this says nothing about the course. Any section below links out to the registrar, where the catalog text is, and that text is also where a prerequisite the structured list does not carry would be written.

Sections in Winter 2027

You enroll in the discussion, not the lecture, so a discussion's status is the one that decides whether you get in. A lecture can read open while every discussion under it is full.

Seat counts as of : the oldest of these 20 readings. The registrar publishes hourly and dibs reads what it can each hour, so a row can be older than that.

Final enrollment, averaged across each term's sections: between 38 and 132 a term over 13 terms, summer excluded, most recently 64 in Fall 2025. That is the shape across years, not this term, which is above.

Seats over time in Winter 2027

Read once so far, so there is no line to draw yet. A second reading is what turns this into a chart: courses come round within about three hours, and anything you watch every hour.