Why isn't the answer to TMUA-P1-MSTAT-001 shown upfront?

The options are lettered without marking the correct one so you attempt TMUA-P1-MSTAT-001 first — TMUA questions reward spotting the trap before you check the worked solution below.

Do I need a calculator for TMUA-P1-MSTAT-001?

No — calculators are banned in the TMUA. TMUA-P1-MSTAT-001 is set for a no-calculator target of about 180 seconds; the worked solution shows the fastest by-hand route.

Which TMUA specification point is TMUA-P1-MSTAT-001?

TMUA-P1-MSTAT-001 is Paper P1 · Statistics and probability (specification code M-Stat), level 2. Drill more of the same topic from this page.

TMUA-P1-MSTAT-001 — Paper P1 · Statistics and probability · Level 2

P1M-StatLevel 2~180s target

Spec: M-Stat · No calculator · ~180s

Two fair six-sided dice are rolled. What is the probability that the total is

9

Options

$\frac16$
$\frac19$
$\frac{1}{12}$
$\frac{5}{36}$
$\frac14$

Letters only — the answer key is hidden. Work it out, then check the solution below.

Hint (check trope)

No written hint yet — check the trope: ordered-pairs. Name the trap first, work the stem by hand, then open the solution below.

Show solution

Totals of 9 come from

(3,6), (4,5), (5,4), (6,3)

: 4 outcomes out of 36, i.e.

\frac{4}{36} = \frac19

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P1M-StatLevel 2

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In a class, 10 boys average 70 marks and 15 girls average 80 marks. What is the overall class mean?

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Open TMUA-P1-MSTAT-003 →

Step up a level

P1M-StatLevel 3

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TMUA-P1-MSTAT-001 — Paper P1 · Statistics and probability · Level 2

Options

Keep practising

Master Statistics and probability

TMUA-P1-MSTAT-001 — Paper P1 · Statistics and probability · Level 2

Options

Keep practising

Master Statistics and probability